WO1998046112A2 - Bürstenreinigungskopf - Google Patents
Bürstenreinigungskopf Download PDFInfo
- Publication number
- WO1998046112A2 WO1998046112A2 PCT/DE1998/000960 DE9800960W WO9846112A2 WO 1998046112 A2 WO1998046112 A2 WO 1998046112A2 DE 9800960 W DE9800960 W DE 9800960W WO 9846112 A2 WO9846112 A2 WO 9846112A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning head
- brush
- head according
- brush cleaning
- cylinder
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/02—Power-driven machines or devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/03—Floor surfacing or polishing machines characterised by having provisions for supplying cleaning or polishing agents
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/10—Floor surfacing or polishing machines motor-driven
- A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
- A47L11/16—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
- A47L11/161—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes with supply of cleaning agents
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/38—Machines, specially adapted for cleaning walls, ceilings, roofs, or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4038—Disk shaped surface treating tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
- A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
Definitions
- the invention relates to a brush cleaning head for an automatic cleaning device with which, above all, window panes, but also facade surfaces of buildings can be cleaned while avoiding expensive and often dangerous human work.
- the automatic cleaning devices of the type under consideration contain a frame which is usually suspended from ropes on the building facade and which can be guided, for example, in rails which are fastened to the building facade.
- On the frame there are associated components of the cleaning device, such as water tanks, energy generators, a drive device or a manipulator for the cleaning head, which moves it over the surface to be cleaned, associated lines, etc.
- the cleaning head is supplied with water by means of a pump, to which cleaning agent can be added, from an associated tank, which after the cleaning process is sucked out of the cleaning head together with the dirt and sucked-in air removed from the disk.
- a brush cleaning head is known from US Pat. No. 3,775,804, in which the brushes are attached to a common platform which is arranged displaceably within the brush cleaning head. This platform is connected to a hydraulic piston / cylinder arrangement which can advance the platform against spring pressure to such an extent that the brushes are pressed against the surface to be cleaned from an initially retracted position.
- the present invention has for its object to provide a brush cleaning head for such an automatic cleaning device with which in particular window surfaces, but also facade surfaces can be cleaned effectively.
- the brush cleaning head has at least one, preferably at least two brush devices arranged next to one another, each having a fixed pin, which engages like a piston in an associated cylinder, which rotatably sits on this pin and is connected in a rotationally fixed manner to a brush body, in the circular end face of which bristles are used.
- a water supply channel, the outlet opening of which lies opposite the cylinder base, preferably runs centrally in the longitudinal direction through the piston-like pins of the brush devices, the cylinder preferably having at least one water outlet opening in the cylinder base.
- Each cylinder is displaceably seated on the associated peg, this longitudinal displaceability on the peg being preferably limited by a stop, as a result of which the bristles are pressed against the surface to be cleaned as a result of the pressure of the washing water supplied during operation of the brush cleaning head.
- a contact pressure is brought about by the washing water fed into the interior of each brush device and sprayed there against the surface to be cleaned, with which the bristles rest against the surface to be cleaned, so that they can carry out the cleaning process with great effectiveness. It is preferably provided that a plurality of outlet nozzles lead through the cylinder base, through which the wash water is preferably discharged obliquely outwards in the direction of the surface to be cleaned.
- Each brush body expediently contains at least one annular bristle ring, preferably two concentric bristle rings being arranged. It is advantageous for the cleaning process if the outer bristle ring consists of relatively soft bristles, while the inner bristle ring contains harder bristles.
- the bristles should be in the initial state of the cylinder or brush body, i.e. in the state in which no washing water is supplied yet, extend almost to the end plane of the cleaning head, i.e. to the window pane to be cleaned, leaving a gap of about 2 mm so that no water gets to the pane when it is lifted off. If the wash water is then fed through the fixed journal, the feed of the cylinder and thus the brush body is correspondingly caused by a contact pressure with simultaneous bending of the elastic bristles.
- each brush body is connected to a drive wheel.
- This drive wheel is preferably a gearwheel if the brush bodies are driven via toothed pinions or a toothed belt, but a rope pulley can also be considered if the drive force is generated by a friction belt.
- a brush device is connected via a drive shaft to an electric motor located outside the housing and drives the other brush devices, for example via a toothed belt.
- a pin can be attached to the drive wheel, which is screwed into the drive wheel, for example, with a threaded section at its free end.
- the subsequent shaft of the pin passes through a through hole of the brush body in this embodiment of the invention and contains a head serving as a stop, between which and the end face of the brush body a predetermined play remains, which forms the range of motion of the cylinder on the bearing journal.
- the shaft is longer than the through-channel through the brush body, and that the projection of the shaft represents the freedom of movement.
- the pin serves as a driver for the brush body, which rotates together with the cylinder attached to it together with the drive wheel.
- the cleaning head according to the invention has, in addition to the cleaning chamber in which the brush devices are located, a suction chamber for the water / air mixture and an air supply chamber.
- the suction chamber is conveniently located behind the cleaning chamber, from which it is separated by an intermediate wall. Behind it - separated by another partition - is the air supply chamber, which can be connected to a closed air circuit which is fed by the extracted air flow.
- the air supply chamber is connected to an outer annular air supply channel of the housing, from which the compressed air strikes the surface to be cleaned from where it enters under the edge of an annular partition into a radially inner annular suction channel which is connected to the suction chamber.
- the compressed air flow prevents cleaning fluid from being lost from the cleaning circuit.
- This compressed air flow does not necessarily have to be provided. So that the cleaning head according to the invention can slide smoothly over the surface to be cleaned, several hydrostatic bearings are arranged according to a further proposal of the invention, from which cleaning liquid emerges. It is preferred that an appropriately point or circular hydrostatic bearing is arranged in each corner region of the housing. The cleaning head slides on these hydrostatic bearings, which minimizes the friction that occurs and also reliably prevents the cleaning head from scratching a window pane.
- five brush devices are arranged side by side in the cleaning head, which are driven by a toothed belt in such a way that respectively adjacent brush devices rotate in opposite directions.
- the contact pressure with which the bristles of the individual brush devices are pressed against the surface to be cleaned can be set to the desired level, for which purpose a suitable selection of the water pressure, which should be, for example, 1 to 2 bar, and suitable dimensions of the diameter of the water supply channel and the water outlet openings and the linear range of movement of the cylinder on the journal are to be used.
- a suitable selection of the water pressure which should be, for example, 1 to 2 bar, and suitable dimensions of the diameter of the water supply channel and the water outlet openings and the linear range of movement of the cylinder on the journal are to be used.
- the hardness and elasticity of the bristles is an essential factor for the effectiveness of the cleaning process, the preferably two bristle rings should have different properties.
- Figure 1 is an end view of a first embodiment of a brush cleaning head with two brush devices.
- FIG. 2 shows a section along line B-B through the brush cleaning head according to FIG. 1;
- Fig. 3 is a section along the line A-A in Fig. 1;
- Fig. 4 is a section along the line C-C in Fig. 1;
- Fig. 5 is a largely schematic end view of a brush cleaning head with five brush devices.
- FIGS. 1 to 4 show in a largely schematic manner that the brush cleaning head 1 has a cleaning chamber 2 in which the brush devices designated as a whole are arranged, a suction chamber 5 located behind them, separated by an intermediate wall 4, and a suction chamber 5 separated by a further intermediate wall 6, has air supply chamber 7 located behind it.
- the air supply chamber 7 is connected to a compressed air circuit by a line indicated by the reference numeral 8, while the suction chamber 5 is connected via a line 9 to a pump (not shown) which supplies the extracted dirty water / air mixture to a container.
- cleaning water is supplied in a manner described in more detail below via a channel, preferably a hose 10, which is attached to the end of a fixed journal 11, which is described in more detail below.
- the air supply chamber 7 feeds the compressed air through an outer ring channel 12 to the surface to be cleaned, where it passes under the edge 13 of a circumferential partition wall 14 between the air supply ring channel 12 and an annular circumferential suction channel 15, which communicates with the suction chamber 5 stands.
- Another peripheral partition 16 delimits the suction channel 15 from the cleaning chamber 2.
- the outer boundary wall of the air supply duct 12 is identified by the reference number 17.
- the brush devices 3 contain a fixed bearing journal (which could also be referred to as a piston) 11, which sits in a bore in the partition wall 4 and engages in the region of the partition wall 6 behind it in the end section of the hose 10.
- the bearing pin 11 contains an axial through bore 18, the front outlet opening 19 of which lies opposite the bottom 20 of a cylinder 21 which is rotatably seated on the bearing pin 11.
- a brush body 23 is connected in a rotationally fixed manner to the cylinder 21, for example by means of screws 24, one of which is shown in FIG. 2.
- Bristles 25 are embedded in the brush body 23 and form an annular bristle ring in the illustration in FIG. 2.
- the brush device 3 also contains a gear 28 which is connected to the brush body 23 in a rotationally fixed manner via a driver 29.
- This driver is screwed into a threaded bore of the gearwheel 28 with a threaded section 30 and, with a threadless shaft 31, engages through a through bore 32 through the brush body 23 with little lateral play.
- the driver 29 also has a head 33 which, in the starting position shown in FIG. 2, in which no water is supplied through the hose 10 and the through-channel 18, is spaced apart from the end face 34 of the brush body 23 by a predetermined distance.
- the cylinder 21 is slidable in the longitudinal direction of the bearing pin 11 (arrow X in FIG. 2) on the bearing pin 11. Since the brush body 23 is firmly connected to the cylinder 21, the entire rotatable arrangement of the cylinder 21, the brush body 23 and the associated ones is accordingly Bristles 25 are displaceable in the X direction, to the extent that the end face 34 of the brush body 23 strikes the head 33 of the driver 29. It is understood that the gear 28 is not arranged to be displaceable in the X direction.
- the cylinder 21 When cleaning water with overpressure emerges from the opening 19 of the through-channel 18, the cylinder 21 is thereby advanced in the X-direction, whereby the bristles 25, which in the starting position shown in FIG. 2 are approximately up to a distance of 2 mm from the front Extend end plane 35 of the cleaning head 1, are pressed against the surface to be cleaned.
- the contact pressure depends, among other things, on the pressure of the water supplied and the cross-sectional dimensions of the through-channel 18 and the through-bore 22.
- a drain opening 36 is provided between the cylinder 21 and the brush body 23 in order to discharge the leakage current that occurs.
- a drive shaft 37 leads through the outer rear wall 38 and the intermediate walls 6 and 4 of the cleaning head 1 and is connected in the cleaning chamber 2 to a drive pinion 39 which can mesh with the gear 28 of the one brush device 3.
- the drive pinion 39 can mesh with an intermediate gear 40 which is in engagement with the gear 28 of the adjacent brush device.
- the power transmission can also take place via a toothed belt, as will be described further below in connection with the embodiment shown in FIG. 5.
- point-shaped or circular hydrostatic bearings 43 are formed in the four corner regions 42 of the cleaning head 1, which is rectangular in plan.
- channels 44 are provided which are connected to the cleaning fluid source and in whose front ends screws 45 with through bores 46 of a suitable diameter are inserted.
- FIG. 5 shows in a purely schematic manner that five brush devices 23 can be arranged side by side in the cleaning head 48.
- the gears of these brush cleaning devices 23 are driven by a toothed belt 49 which is guided around the gears in such a way that adjacent brush devices rotate in opposite directions.
- Two tensioning rollers 50 ensure that the toothed belt 49 receives the required tension.
- the five brush devices 23 are fastened to a carrier 51 which can be moved against a spring force within the housing in the longitudinal and narrow directions thereof by a predetermined distance. The deflection occurs when the cleaning head hits a window frame.
Landscapes
- Cleaning In General (AREA)
- Brushes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU80095/98A AU8009598A (en) | 1997-04-15 | 1998-04-04 | Brush cleaning head |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19715562.6 | 1997-04-15 | ||
DE1997115562 DE19715562C1 (de) | 1997-04-15 | 1997-04-15 | Bürstenreinigungskopf |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998046112A2 true WO1998046112A2 (de) | 1998-10-22 |
WO1998046112A3 WO1998046112A3 (de) | 1999-02-11 |
Family
ID=7826481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/000960 WO1998046112A2 (de) | 1997-04-15 | 1998-04-04 | Bürstenreinigungskopf |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU8009598A (de) |
DE (1) | DE19715562C1 (de) |
WO (1) | WO1998046112A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108742322A (zh) * | 2018-07-27 | 2018-11-06 | 四川大学 | 一种角落清洁机构 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19806928C2 (de) * | 1998-02-19 | 2000-01-20 | Dornier Tech Gmbh & Co | Reinigungskopf einer Reinigungsvorrichtung für Fenster- und Fassadenflächen |
DE19836527A1 (de) * | 1998-08-12 | 2000-02-24 | Dornier Tech Gmbh & Co | Reinigungsvorrichtung |
DE19836653C2 (de) * | 1998-08-13 | 2002-01-03 | Dornier Tech Gmbh & Co | Reinigungskopf |
DE19916819C2 (de) * | 1999-04-14 | 2002-04-04 | Dornier Tech Gmbh & Co | Reinigungskopf |
CN112282406A (zh) * | 2020-11-27 | 2021-01-29 | 孙永财 | 一种防止水渗入玻璃幕墙骨架而腐蚀的节能环保设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2358119A (en) * | 1941-07-18 | 1944-09-12 | Joseph H Wilson | Floor waxing and polishing machine |
BE483321A (de) * | 1944-11-02 | |||
US3775804A (en) * | 1971-04-02 | 1973-12-04 | R Hoener | Window wall washing device for high-rise buildings |
JPS5221823B2 (de) * | 1974-02-27 | 1977-06-13 |
-
1997
- 1997-04-15 DE DE1997115562 patent/DE19715562C1/de not_active Expired - Fee Related
-
1998
- 1998-04-04 WO PCT/DE1998/000960 patent/WO1998046112A2/de active Application Filing
- 1998-04-04 AU AU80095/98A patent/AU8009598A/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108742322A (zh) * | 2018-07-27 | 2018-11-06 | 四川大学 | 一种角落清洁机构 |
Also Published As
Publication number | Publication date |
---|---|
AU8009598A (en) | 1998-11-11 |
WO1998046112A3 (de) | 1999-02-11 |
DE19715562C1 (de) | 1998-08-27 |
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